Finding the Fourth Proportional to 2,874.08, 4,316.59 and 1,786.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,874.08 : 4,316.59 = 1,786.05 : x
2. Step 2: Convert to fraction form
   2,874.08/4,316.59 = 1,786.05/x
3. Step 3: Cross multiply
   2,874.08x = 4,316.59 × 1,786.05
4. Step 4: Simplify right side
   2,874.08x = 7,709,630.31
5. Step 5: Solve for x
   x = 7,709,630.31/2,874.08
6. Step 6: Final answer
   x = 2,682.47